Deferred tax and Corporation Tax

How to calculate Deferred Tax and Corporation Tax at the same time ...?

The above calculation shows how the calculation of Corporation Tax results from calculation of deferred tax (and vice versa)
In order to mitigate the risk of error it is worth combining both calculations

		31 Dec 2023	Year 2023	31 Dec 2022
A	Gross profit	-----	500 000	-----
B	Permanent differences
	Entertainment expenses	-----	15 000	-----
	Penalties and fines paid	-----	5 000	-----
C	Negative temprorary differences
	Retirement benefit obligation and similar benefits	400 000	150 000	250 000
	General inventory provision	80 000	(45 000)	125 000
D	Positive temprorary differences
	Excess of net book value of fixed assets over their written down value of capital allowance	(150 000)	(50 000)	(100 000)

E	Deferred tax base / Taxation base	330 000	650 000	200 000
		Deferred tax 31 Dec 2023	Corporation tax for 2023	Deferred tax 31 Dec 2022
E	Deferred tax base / Taxation base	330 000	650 000	200 000
F	Corporation tax (current tax)		(123 500)
G	Deferred tax asset / Change of deferred tax	62 700	24 700	38 000
H	Income tax charge in profit and loss account		(98 800)